PRO-38-(Schematic电器原理图手册)

TLC 271CPOFFSETBIASOUT NULLSELECT VDO PUT (N2)8765234OFFSET INV.NON GNDfINPUT INV.UC1143(NI)INPUT③©UC1143 Pin ConnectionNO.TERMINAL DESCRIPTIONTERMINAL DESCRIPTIONlinput/Output Level.interfacelHo15型3Key Matrix67012BEEP output,Pin 68:BEEP output at "L"Not Used14◆eyh与trl1617Key Lock SW LO Terminal"H:Key Lock ON [KEY input is not anailable)"L":RESET OFF"H-:RESET ON8919Ahways eanneeted to VCC206321A1c0 comouter白ockGNDPOWER FALL Detector Input2Power Termingl (4.5~5.5V)ON23"H-:HALT OFF66H":U.S.A.Band676"L":BEEP ousput from pin 1028LOWH:UEEP OFF29Not Used的TEST Frequency Select "L"Normal(VHF)317Band Select Output(UHF)7243574Not UsedLCD Segment Terminal38IENIPLL CONTROL IDATA)CLOCK)-38-